请问除了月薪外，年底12月发的双薪要不要平均算进去？

只算基本工资和每个月固定的补贴

去appeal给的原因是上个税单超了120k。现在规矩改了？

https://www.hdb.gov.sg/cs/infoweb/residential/buying-a-flat/new/hdb-flat

Income/ allowance that will be considered for income assessment
Allowances (fixed/ variable) received on a regular basis (e.g. allowances for food, transport, laundry, uniform, etc.)

Sustenance allowance

Stipend
Income/ allowance that will not be considered for income assessment
Alimony allowance

Bonuses

Director's fee

Income from overtime work

Interest from deposit accounts

National Service Allowance

Rental income

Scholarship overseas allowance

^Overseas cost of living allowance

^Pension

10多年前买EC 的时候，因为税单上的数目/12 超过了 ceiling 几十块钱，经纪说可以appeal但是嫌麻烦，让我直接交月工资单。然后就没问题了。